$144 Cheap Flights from Kos (KGS) to Brussels (BRU)

View $144 flight on Sat, Jan 31, 2026Opens in a new window

Popular airlines from Kos (KGS-Kos Island Intl.) to Brussels Airport (BRU)

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Cheap Flights from Kos to Brussels (KGS-BRU)

Prices were available within the past 7 days and start at $144 for one-way flights and $384 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SKY express
Tue, Feb 10 - Thu, Feb 19
KGS
Kos
BRU
Brussels
$384 Roundtrip, found 6 days ago
$384
Roundtrip
found 6 days ago
Select SKY express flight, departing Tue, Feb 10 from Kos to Brussels, returning Thu, Feb 19, priced at $384 found 6 days ago
Aegean
Fri, Feb 13 - Tue, Feb 17
KGS
Kos
BRU
Brussels
$394 Roundtrip, found 6 days ago
$394
Roundtrip
found 6 days ago
Select Aegean flight, departing Fri, Feb 13 from Kos to Brussels, returning Tue, Feb 17, priced at $394 found 6 days ago
Flights from Kos (KGS) to Brussels (BRU)
Origin airport
Kos Island Intl.
Destination airport
Brussels - National
Roundtrip price
$383
Distance
1478 mi

Kos to Brussels Flights

The cheapest times to fly from Kos to Brussels

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kos to Brussels are during the month of February. You can find some of the cheapest flights from Kos to Brussels with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kos to Brussels

Sunday is one of the best days to book for cheap flights from Kos to Brussels: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kos to Brussels

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kos to Brussels in 2026. You can also book with separate airlines for your outbound and return journeys, from $144 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kos to Brussels flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kos to Brussels airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU) cost?
Secure a cheap one-way flight from $144 or cheap return flight from $384 from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU)?
The cheapest month to fly from KGS to BRU is February, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU)?
To find the cheapest airline flying from KGS to BRU, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU)?
You'll need to book a flight with a layover if you're traveling from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from KGS to BRU?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from KGS to BRU?
TUI fly has the best performance for on-time direct flights from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU), with an on-time score of 83%. Use the Expedia App to look up your flight schedule before you leave and receive notifications about any changes.
What is the best time to fly from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU)?
To avoid possible delays on the Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU) last-minute?
Booking your ticket from KGS to BRU just before your trip is usually more expensive. However, if you're flexible with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a KGS to BRU flight and hotel package?
Securing a KGS to BRU flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our impressive range of hotels and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kos Island Intl. Airport (KGS) to Brussels - National Airport (BRU)?
In most instances, you can cancel or modify your KGS to BRU flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, go to our Customer Service portal.

*Flight schedules are subject to change.

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*Available to One Key members.